Vastus intermedius
The vastus intermedius is one of the four muscles that make up the quadriceps group. It plays a crucial role in knee extension and overall leg strength.
To target the vastus intermedius effectively, focus on exercises that involve knee extension while maintaining proper form.
- Begin in a seated position with your feet flat on the ground.
- Extend your knees slowly, lifting your feet off the ground.
- Hold the extended position briefly before lowering your feet back down.
How to perform the Vastus intermedius
- Set up. Set up in a stable, balanced starting position appropriate for the Vastus intermedius using your body weight.
- Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your quadriceps.
- Reset. Reverse the movement under control and reset between repetitions, keeping your form crisp on every rep.
Coaching cues
- Move with intent — every rep should feel deliberate, not rushed.
- Drive force through your quadriceps rather than momentum.
- Keep your breathing steady: exhale on the hard part, inhale on the reset.
Common mistakes
- Using too much weight and losing positional control.
- Cutting the range of motion short and missing the target muscle.
- Letting your spine round or hyperextend instead of staying neutral.
Detailed cues, common mistakes, and demonstration video are available in the Fitly app.
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